`ctw.com.cn`

DNSSEC	⚠️ Not signed
A	121.127.248.100^{🇭🇰 CTGSERVERLIMITED-AS-AP121.127.248.0/24 Sun Network (Hong Kong) Limited Flat 13, 4/F Trans Asia Centre 18 Kin Hong Street, Kwai Chung}
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`google-site-verification=g-U1-ru6d9o28vZ7v_WOn48o80mwgGzB9dTqhO_EVW8`
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030721040

WOT: NOT_SAFE (20/100)

Subdomains

mail.ctw.com.cn

Same first word

ctw.in

ctw.eu

ctw.co

ctw.no

ctw.net

ctw.sarl

ctw.direct

ctw.church

ctw.fi

ctw.ltd

ctw.com.cn

ctw.ro

ctw.org.uk

ctw.wiki

ctw.world

ctw.ru

ctw.com.tw

ctw.net.cn

ctw.tw

ctw.photography

ctw.com

ctw.cl

ctw.cc

ctw.cz

ctw.com.au

ctw.at

ctw.org

ctw.nl

ctw.hk

ctw.global

ctw.info

ctw.co.th

ctw.cn

ctw.co.uk

ctw.it

ctw.life

ctw.com.br

ctw.space

ctw.dk

ctw.us

ctw.email

ctw.hu

ctw.fr

ctw.me

ctw.co.nz

ctw.pl

ctw.casa

ctw.sk

ctw.srl

ctw.ch

ctw.com.mx

ctw.pt

ctw.se

Similar names

twc.org.za

wct.autos

wtc.gallery

wtc.fi

wct.xyz

wtc.by

tcw.org

tcw.london

wct.com.br

wct.dk

wct.tv

wtc.uy

twc.church

tcw.jp

wtc.edu.cn

tcw.com

twc.co.th

twc.co.nz

wct.at

twc.com.br

cwt.jp

cwt.be

wtc.ee

cwt.com.my

wtc.k12.mn.us

cwt.com.eg

cwt.org.tw

wct.no

wct.lk

cwt.ag

tcw.ch

cwt.hu

cwt.org

wct.ch

twc.id

wct.rocks

wtc.dk

twc.cool

wtc.com.tr

twc.edu

twc.de

cwt.ch

wtc.cl

wct.by

cwt.com.sv

cwt.gr

wtc.es

wct.us

twc.ru

cwt.ma

wct.live

wtc.genova.it

tcw.at

wtc.fr

cwt.mx

wtc.mc

wtc.capital

wtc.net.cn

wtc.nl

cwt.co.bw

wct.org

twc.bz

tcw.cc

cwt.ca

wct.net.cn

wtc.ac.th

twc.com.ua

wct.co

tcw.ac.jp

wtc.waw.pl

wct.me

cwt.org.uk

tcw.com.br

wtc.co.th

tcw.com.hk

cwt.com.tr

twc.it

wtc.la

twc.org

wtc.lv

tcw.it

cwt.ru

DNS History

8 records (6 active, 2 former)

●NSdns7.hichina.com2015-08-02 → 2026-08-02 · 2 obs

● 2015-08-02 11:00:10
● 2026-08-02 07:06:30

●NSdns8.hichina.com2015-08-02 → 2026-08-02 · 2 obs

● 2015-08-02 11:00:10
● 2026-08-02 07:06:30

●MXmx1.qiye.aliyun.com2026-05-16 → 2026-08-02 · 3 obs

○ 2017-03-29 16:38:24
● 2026-05-16 18:33:58
● 2026-08-02 07:06:30

●MXmx2.qiye.aliyun.com2026-05-16 → 2026-08-02 · 3 obs

○ 2017-03-29 16:38:24
● 2026-05-16 18:33:58
● 2026-08-02 07:06:30

●MXmx3.qiye.aliyun.com2026-05-16 → 2026-08-02 · 3 obs

○ 2017-03-29 16:38:24
● 2026-05-16 18:33:58
● 2026-08-02 07:06:30

○MXmxcom.263xmail.com2015-08-02 → 2017-03-29 · 4 obs

● 2015-08-02 11:00:10
● 2017-03-29 16:38:24
○ 2026-05-16 18:33:58
○ 2026-08-02 07:06:30

○MXmxwcom.263xmail.com2015-08-02 → 2017-03-29 · 4 obs

● 2015-08-02 11:00:10
● 2017-03-29 16:38:24
○ 2026-05-16 18:33:58
○ 2026-08-02 07:06:30

●A121.127.248.1002015-08-02 → 2026-08-02 · 2 obs

● 2015-08-02 11:00:10
● 2026-08-02 07:06:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, ns.cernet.net...	11 records
ctw.com.cn	dns7.hichina.com, dns8.hichina.com	-

✅ Authoritative Response

Server:47.118.199.213

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ctw.com.cn: Error: DNS query timeout: 203.119.29.1 for DS ctw.com.cn

⏱️ Timing

Total: 4548ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.127.248.100`
NS	2	`dns8.hichina.com, dns7.hichina.com`
MX	3	`mx1.qiye.aliyun.com (pri: 5), mx2.qiye.aliyun.com (pri: 10)...`
TXT	1	`google-site-verification=g-U1-ru6d9o28vZ`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (e.dns.cn, e.dns.cn, a.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

Analysis

Hierarchy

ctw.com.cn is the parent zone for mail.ctw.com.cn.

IP Addresses

ctw.com.cn resolves to one IP address: 121.127.248.100.

Name Servers

Two name servers handle the delegation for ctw.com.cn: dns7.hichina.com and dns8.hichina.com.

ctw.com.cn uses the same name servers as several other domains — among them xamlcl.com, greenpeafowl.com, mail.powermetal.com.cn and two more.

ctw.com.cn partially shares its NS delegation with several other domains, including zqiul.com, swyxmm.com, cghai.cn and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hostnames that resolve to 9 IP addresses:

dns7.hichina.com resolves to 39.96.153.43, 39.96.153.63 and 47.118.199.203 among others, with 6 other IP addresses in total.

dns8.hichina.com resolves to 39.96.153.44, 39.96.153.54 and 47.118.199.204 among others, with 6 other IP addresses in total.

Mail Servers

ctw.com.cn uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

ctw.com.cn has at least partial mail server overlap with other domains such as enterschool.cn, ccix.cn, longkai.cc and two more.

The mail servers mxn.mxhichina.com and mxw.mxhichina.com regularly co-occur with these mail servers.

Hostnames that resolve to two IP addresses:

mx3.qiye.aliyun.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

The hostname mx1.qiye.aliyun.com resolves to 47.246.137.47.

The hostname mx2.qiye.aliyun.com resolves to 47.246.136.231.

mx3.qiye.aliyun.com along with mx2.qiye.aliyun.com each resolve to 47.246.136.231 IP addresses.

mx3.qiye.aliyun.com along with mx1.qiye.aliyun.com each resolve to 47.246.137.47 IP addresses.

ctw.com.cn - robtex.com

ctw.com.cn

com.cn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ctw.com.cn`

`com.cn`